package com.heima.user.service.Impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.helper.StringUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Transactional
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    /**
     * 用户登录功能
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(LoginDto dto) {
        //1.正常登录
        if (StringUtils.isNoneBlank(dto.getPhone())&& StringUtils.isNoneBlank(dto.getPhone())){
            //1.1根据手机号查询用户登录信息
            LambdaQueryWrapper<ApUser> queryWrapper=new LambdaQueryWrapper<>();
            ApUser apUser = getOne(queryWrapper.eq(ApUser::getPhone, dto.getPhone()));
            if (apUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.AP_USER_DATA_NOT_EXIST);
            }
            //1.2比对密码
            String salt = apUser.getSalt();
            String phone = dto.getPhone()+salt;
            String pswd = DigestUtils.md5DigestAsHex(phone.getBytes());
            if (pswd.equals(apUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3返回数据jwt
            String token = AppJwtUtil.getToken(apUser.getId().longValue());
            Map<String,Object> map=new HashMap<>();
            map.put("token",token);
            apUser.setSalt(null);
            apUser.setPassword("");
            map.put("user",apUser);
            return ResponseResult.okResult(map);
        }
        else {
            //2.游客登录
            Map<String,Object> map =new HashMap<>();
            map.put("token",AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }

    }
}
